[sdiy] Pot life specifications

[cheater cheater]

Herbie Hancock would regularly wear out his synths, even the ribbons.
I've killed quite a few pots over as little as a couple months of use.
They were crappy pots, though.

Pot life sounds like a 70s high school educational documentary.

On Sat, Aug 22, 2009 at 3:38 AM, Dave Manley<dlmanley at sonic.net> wrote:
> David G. Dixon wrote:
>>
>> So, let's say a pot "fails" after 20,000 rotations or so.  What happens,
>> exactly?  Does the wiper start failing to make contact with the resistive
>> strip?  Does the resistive strip wear off the fiberglass substrate?  Does
>> the resistance change dramatically, and does this happen mostly in the
>> middle of the rotation, or at the ends, or only where the pot has spent
>> most
>> of its life being set?  Or, does the pot just start generating noise when
>> you turn it?
>>
>> Does it happen gradually or catastrophically?
>>
>> Do the terminals fall off?  Does the shaft fall out?
>>
>
> Many of your questions answered here:
>
> http://www.geofex.com/article_folders/potsecrets/potscret.htm
> http://www.firstpr.com.au/rwi/dfish/pot-wear/
>
> Check out the pics showing how pots are built and typical ways pots wear.
>
> -Dave
>
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